Photoinitiators, Organic Intermediates manufacturer / supplier in China, offering Propanediol Raw Materials Propylene Glycol C3h8o2 CAS 57-55-6 Propanediol, High Purity 99% Tetraacetylethylenediamine/Taed Detergent Acetyl Ethylene Diamine CAS 10543-57-4, Plasticizer Raw Material Poly (ethylene glycol) (C2H4O) Nh2o CAS 25322-68-3 Peg and so on.